/Engine/Source/Editor/GameProjectGeneration/Public/GameProjectUtils.h
Writes an output file. OutputFilename includes a path
static bool WriteOutputFile ( const [FString](API\Runtime\Core\Containers\FString) & OutputFilename, const [FString](API\Runtime\Core\Containers\FString) & OutputFileContents, [FText](API\Runtime\Core\Internationalization\FText) & OutFailReason )